// Copyright 2021-2022 EMQ Technologies Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package main

import (
	"fmt"
	"time"

	mqtt "github.com/eclipse/paho.mqtt.golang"
)

const (
	tps = 500
)

func pub() {
	opts := mqtt.NewClientOptions().AddBroker(mqttUrl)
	client := mqtt.NewClient(opts)
	defer client.Disconnect(0)
	if token := client.Connect(); token.Wait() && token.Error() != nil {
		panic(token.Error())
	}
	for i := 0; ; i++ {
		payload := []byte(fmt.Sprintf(`{"temperature":%d,"humidity":90}`, 12+i%10))
		if token := client.Publish("rawdata", 0, false, payload); token.Wait() && token.Error() != nil {
			fmt.Println(token.Error())
		}

		time.Sleep(1000 / tps * time.Millisecond)
	}
}
